22566454741 has 12 divisors (see below), whose sum is σ = 23257021476. Its totient is φ = 21892187520.

The previous prime is 22566454693. The next prime is 22566454747. The reversal of 22566454741 is 14745466522.

It can be written as a sum of positive squares in 6 ways, for example, as 6628402225 + 15938052516 = 81415^2 + 126246^2 .

It is not a de Polignac number, because 22566454741 - 2¹¹ = 22566452693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22566454691 and 22566454700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22566454747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230095 + ... + 313171.

It is an arithmetic number, because the mean of its divisors is an integer number (1938085123).

Almost surely, 2^22566454741 is an apocalyptic number.

It is an amenable number.

22566454741 is a deficient number, since it is larger than the sum of its proper divisors (690566735).

22566454741 is an frugal number, since it uses more digits than its factorization.

22566454741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83272 (or 83211 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 46.

The spelling of 22566454741 in words is "twenty-two billion, five hundred sixty-six million, four hundred fifty-four thousand, seven hundred forty-one".